chevron's putting more than $8 billion dollars back in the u.s. economy this year. in pipes, cement, steel, jobs, energy. we need to get the wheels turning. i'm p. making real things... for real. ...that make a real difference. ♪ in that time there've been some good days. and some difficult ones. but, through it all, we've persevered, supporting some of the biggest ideas in modern history. so why should our anniversary matter to you? because for 200 years, we've been helping ideas move from ambition to achievement. and the next great idea could be yours. ♪ soothes you to sleep with ingredients like melatonin. it's safe with no side effects, so you wake up... ready to go. [ male announcer ] unisom natural nights. >>> four days until the legs, and the economy and a handful of swing states could sway ut outcome of the presidential race. in iowa the unemployment rate is 5.2%. it's much lower than the national average of 7.9%. the economy is still causing problems for the president. >> we basically started this in a little 24 x 24 rundown garage. >> reporter: that wa